Some kinda mushroom... (Cubensis cake/poor mans terrarium)

bigloc

Active Member
Is there any other sterilization technique or is the pressure cooker the only way? Could I not put a jar of substrate on a stone in a pot partially filled with water and put a lid on for a while?
look up fractual steriazation it takes a while but works just as good or better than a pressure cooker
 
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